Throw out the entire work as rubbish.

Or…

2 Timothy 2:15

King James Version

15 Study to shew thyself approved unto God, a workman that needeth not to be ashamed, rightly dividing the word of truth.

While avoiding what 2 Timothy goes on to describe.

2 Timothy 2:16-18

King James Version

16 But shun profane and vain babblings: for they will increase unto more ungodliness.

17 And their word will eat as doth a canker: of whom is Hymenaeus and Philetus;

18 Who concerning the truth have erred, saying that the resurrection is past already; and overthrow the faith of some.